Commit | Line | Data |
---|---|---|
d2709c7c | 1 | #include <linux/hw_breakpoint.h> |
8ad8db37 | 2 | #include "util.h" |
6b58e7f1 | 3 | #include "../perf.h" |
361c99a6 | 4 | #include "evlist.h" |
69aad6f1 | 5 | #include "evsel.h" |
8ad8db37 IM |
6 | #include "parse-options.h" |
7 | #include "parse-events.h" | |
8 | #include "exec_cmd.h" | |
42f60c2d | 9 | #include "string.h" |
5aab621b | 10 | #include "symbol.h" |
5beeded1 | 11 | #include "cache.h" |
8755a8f2 | 12 | #include "header.h" |
6e81c74c | 13 | #include "debug.h" |
553873e1 | 14 | #include <api/fs/debugfs.h> |
ac20de6f | 15 | #include "parse-events-bison.h" |
90e2b22d | 16 | #define YY_EXTRA_TYPE int |
89812fc8 | 17 | #include "parse-events-flex.h" |
5f537a26 | 18 | #include "pmu.h" |
b41f1cec | 19 | #include "thread_map.h" |
f30a79b0 | 20 | #include "cpumap.h" |
b39b8393 | 21 | #include "asm/bug.h" |
89812fc8 JO |
22 | |
23 | #define MAX_NAME_LEN 100 | |
8ad8db37 | 24 | |
82ba1f2f JO |
25 | #ifdef PARSER_DEBUG |
26 | extern int parse_events_debug; | |
27 | #endif | |
ac20de6f | 28 | int parse_events_parse(void *data, void *scanner); |
bcd3279f | 29 | |
dcb4e102 KL |
30 | static struct perf_pmu_event_symbol *perf_pmu_events_list; |
31 | /* | |
32 | * The variable indicates the number of supported pmu event symbols. | |
33 | * 0 means not initialized and ready to init | |
34 | * -1 means failed to init, don't try anymore | |
35 | * >0 is the number of supported pmu event symbols | |
36 | */ | |
37 | static int perf_pmu_events_list_num; | |
38 | ||
705750f2 | 39 | struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = { |
1dc12760 JO |
40 | [PERF_COUNT_HW_CPU_CYCLES] = { |
41 | .symbol = "cpu-cycles", | |
42 | .alias = "cycles", | |
43 | }, | |
44 | [PERF_COUNT_HW_INSTRUCTIONS] = { | |
45 | .symbol = "instructions", | |
46 | .alias = "", | |
47 | }, | |
48 | [PERF_COUNT_HW_CACHE_REFERENCES] = { | |
49 | .symbol = "cache-references", | |
50 | .alias = "", | |
51 | }, | |
52 | [PERF_COUNT_HW_CACHE_MISSES] = { | |
53 | .symbol = "cache-misses", | |
54 | .alias = "", | |
55 | }, | |
56 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { | |
57 | .symbol = "branch-instructions", | |
58 | .alias = "branches", | |
59 | }, | |
60 | [PERF_COUNT_HW_BRANCH_MISSES] = { | |
61 | .symbol = "branch-misses", | |
62 | .alias = "", | |
63 | }, | |
64 | [PERF_COUNT_HW_BUS_CYCLES] = { | |
65 | .symbol = "bus-cycles", | |
66 | .alias = "", | |
67 | }, | |
68 | [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = { | |
69 | .symbol = "stalled-cycles-frontend", | |
70 | .alias = "idle-cycles-frontend", | |
71 | }, | |
72 | [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = { | |
73 | .symbol = "stalled-cycles-backend", | |
74 | .alias = "idle-cycles-backend", | |
75 | }, | |
76 | [PERF_COUNT_HW_REF_CPU_CYCLES] = { | |
77 | .symbol = "ref-cycles", | |
78 | .alias = "", | |
79 | }, | |
80 | }; | |
81 | ||
705750f2 | 82 | struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { |
1dc12760 JO |
83 | [PERF_COUNT_SW_CPU_CLOCK] = { |
84 | .symbol = "cpu-clock", | |
85 | .alias = "", | |
86 | }, | |
87 | [PERF_COUNT_SW_TASK_CLOCK] = { | |
88 | .symbol = "task-clock", | |
89 | .alias = "", | |
90 | }, | |
91 | [PERF_COUNT_SW_PAGE_FAULTS] = { | |
92 | .symbol = "page-faults", | |
93 | .alias = "faults", | |
94 | }, | |
95 | [PERF_COUNT_SW_CONTEXT_SWITCHES] = { | |
96 | .symbol = "context-switches", | |
97 | .alias = "cs", | |
98 | }, | |
99 | [PERF_COUNT_SW_CPU_MIGRATIONS] = { | |
100 | .symbol = "cpu-migrations", | |
101 | .alias = "migrations", | |
102 | }, | |
103 | [PERF_COUNT_SW_PAGE_FAULTS_MIN] = { | |
104 | .symbol = "minor-faults", | |
105 | .alias = "", | |
106 | }, | |
107 | [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = { | |
108 | .symbol = "major-faults", | |
109 | .alias = "", | |
110 | }, | |
111 | [PERF_COUNT_SW_ALIGNMENT_FAULTS] = { | |
112 | .symbol = "alignment-faults", | |
113 | .alias = "", | |
114 | }, | |
115 | [PERF_COUNT_SW_EMULATION_FAULTS] = { | |
116 | .symbol = "emulation-faults", | |
117 | .alias = "", | |
118 | }, | |
d22d1a2a AH |
119 | [PERF_COUNT_SW_DUMMY] = { |
120 | .symbol = "dummy", | |
121 | .alias = "", | |
122 | }, | |
8ad8db37 IM |
123 | }; |
124 | ||
cdd6c482 IM |
125 | #define __PERF_EVENT_FIELD(config, name) \ |
126 | ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT) | |
5242519b | 127 | |
1fc570ad | 128 | #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) |
cdd6c482 | 129 | #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG) |
1fc570ad | 130 | #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) |
cdd6c482 | 131 | #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) |
5242519b | 132 | |
6b58e7f1 | 133 | #define for_each_subsystem(sys_dir, sys_dirent, sys_next) \ |
f6bdafef | 134 | while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \ |
6b58e7f1 | 135 | if (sys_dirent.d_type == DT_DIR && \ |
f6bdafef JB |
136 | (strcmp(sys_dirent.d_name, ".")) && \ |
137 | (strcmp(sys_dirent.d_name, ".."))) | |
138 | ||
ae07b63f PZ |
139 | static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir) |
140 | { | |
141 | char evt_path[MAXPATHLEN]; | |
142 | int fd; | |
143 | ||
ebf294bf | 144 | snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
ae07b63f PZ |
145 | sys_dir->d_name, evt_dir->d_name); |
146 | fd = open(evt_path, O_RDONLY); | |
147 | if (fd < 0) | |
148 | return -EINVAL; | |
149 | close(fd); | |
150 | ||
151 | return 0; | |
152 | } | |
153 | ||
6b58e7f1 | 154 | #define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \ |
f6bdafef | 155 | while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \ |
6b58e7f1 | 156 | if (evt_dirent.d_type == DT_DIR && \ |
f6bdafef | 157 | (strcmp(evt_dirent.d_name, ".")) && \ |
ae07b63f PZ |
158 | (strcmp(evt_dirent.d_name, "..")) && \ |
159 | (!tp_event_has_id(&sys_dirent, &evt_dirent))) | |
f6bdafef | 160 | |
270bbbe8 | 161 | #define MAX_EVENT_LENGTH 512 |
f6bdafef | 162 | |
f6bdafef | 163 | |
1ef2ed10 | 164 | struct tracepoint_path *tracepoint_id_to_path(u64 config) |
f6bdafef | 165 | { |
1ef2ed10 | 166 | struct tracepoint_path *path = NULL; |
f6bdafef JB |
167 | DIR *sys_dir, *evt_dir; |
168 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
8aa8a7c8 | 169 | char id_buf[24]; |
725b1368 | 170 | int fd; |
f6bdafef JB |
171 | u64 id; |
172 | char evt_path[MAXPATHLEN]; | |
725b1368 | 173 | char dir_path[MAXPATHLEN]; |
f6bdafef | 174 | |
ebf294bf | 175 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 176 | if (!sys_dir) |
725b1368 | 177 | return NULL; |
6b58e7f1 UD |
178 | |
179 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
725b1368 | 180 | |
ebf294bf | 181 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
182 | sys_dirent.d_name); |
183 | evt_dir = opendir(dir_path); | |
184 | if (!evt_dir) | |
6b58e7f1 | 185 | continue; |
725b1368 | 186 | |
6b58e7f1 | 187 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
725b1368 ED |
188 | |
189 | snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, | |
f6bdafef | 190 | evt_dirent.d_name); |
725b1368 | 191 | fd = open(evt_path, O_RDONLY); |
f6bdafef JB |
192 | if (fd < 0) |
193 | continue; | |
194 | if (read(fd, id_buf, sizeof(id_buf)) < 0) { | |
195 | close(fd); | |
196 | continue; | |
197 | } | |
198 | close(fd); | |
199 | id = atoll(id_buf); | |
200 | if (id == config) { | |
201 | closedir(evt_dir); | |
202 | closedir(sys_dir); | |
59b4caeb | 203 | path = zalloc(sizeof(*path)); |
1ef2ed10 FW |
204 | path->system = malloc(MAX_EVENT_LENGTH); |
205 | if (!path->system) { | |
206 | free(path); | |
207 | return NULL; | |
208 | } | |
209 | path->name = malloc(MAX_EVENT_LENGTH); | |
210 | if (!path->name) { | |
74cf249d | 211 | zfree(&path->system); |
1ef2ed10 FW |
212 | free(path); |
213 | return NULL; | |
214 | } | |
215 | strncpy(path->system, sys_dirent.d_name, | |
216 | MAX_EVENT_LENGTH); | |
217 | strncpy(path->name, evt_dirent.d_name, | |
218 | MAX_EVENT_LENGTH); | |
219 | return path; | |
f6bdafef JB |
220 | } |
221 | } | |
222 | closedir(evt_dir); | |
223 | } | |
224 | ||
f6bdafef | 225 | closedir(sys_dir); |
1ef2ed10 FW |
226 | return NULL; |
227 | } | |
228 | ||
e7c93f09 NK |
229 | struct tracepoint_path *tracepoint_name_to_path(const char *name) |
230 | { | |
231 | struct tracepoint_path *path = zalloc(sizeof(*path)); | |
232 | char *str = strchr(name, ':'); | |
233 | ||
234 | if (path == NULL || str == NULL) { | |
235 | free(path); | |
236 | return NULL; | |
237 | } | |
238 | ||
239 | path->system = strndup(name, str - name); | |
240 | path->name = strdup(str+1); | |
241 | ||
242 | if (path->system == NULL || path->name == NULL) { | |
74cf249d ACM |
243 | zfree(&path->system); |
244 | zfree(&path->name); | |
e7c93f09 NK |
245 | free(path); |
246 | path = NULL; | |
247 | } | |
248 | ||
249 | return path; | |
250 | } | |
251 | ||
1424dc96 DA |
252 | const char *event_type(int type) |
253 | { | |
254 | switch (type) { | |
255 | case PERF_TYPE_HARDWARE: | |
256 | return "hardware"; | |
257 | ||
258 | case PERF_TYPE_SOFTWARE: | |
259 | return "software"; | |
260 | ||
261 | case PERF_TYPE_TRACEPOINT: | |
262 | return "tracepoint"; | |
263 | ||
264 | case PERF_TYPE_HW_CACHE: | |
265 | return "hardware-cache"; | |
266 | ||
267 | default: | |
268 | break; | |
269 | } | |
270 | ||
271 | return "unknown"; | |
272 | } | |
273 | ||
7ae92e74 YZ |
274 | |
275 | ||
410136f5 SE |
276 | static struct perf_evsel * |
277 | __add_event(struct list_head *list, int *idx, | |
278 | struct perf_event_attr *attr, | |
279 | char *name, struct cpu_map *cpus) | |
89812fc8 JO |
280 | { |
281 | struct perf_evsel *evsel; | |
282 | ||
283 | event_attr_init(attr); | |
284 | ||
ef503831 | 285 | evsel = perf_evsel__new_idx(attr, (*idx)++); |
c5cd8ac0 | 286 | if (!evsel) |
410136f5 | 287 | return NULL; |
89812fc8 | 288 | |
f30a79b0 JO |
289 | if (cpus) |
290 | evsel->cpus = cpu_map__get(cpus); | |
291 | ||
9db1763c ACM |
292 | if (name) |
293 | evsel->name = strdup(name); | |
b847cbdc | 294 | list_add_tail(&evsel->node, list); |
410136f5 | 295 | return evsel; |
89812fc8 JO |
296 | } |
297 | ||
c5cd8ac0 | 298 | static int add_event(struct list_head *list, int *idx, |
7ae92e74 YZ |
299 | struct perf_event_attr *attr, char *name) |
300 | { | |
410136f5 | 301 | return __add_event(list, idx, attr, name, NULL) ? 0 : -ENOMEM; |
7ae92e74 YZ |
302 | } |
303 | ||
0b668bc9 | 304 | static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) |
8326f44d IM |
305 | { |
306 | int i, j; | |
61c45981 | 307 | int n, longest = -1; |
8326f44d IM |
308 | |
309 | for (i = 0; i < size; i++) { | |
0b668bc9 | 310 | for (j = 0; j < PERF_EVSEL__MAX_ALIASES && names[i][j]; j++) { |
61c45981 | 311 | n = strlen(names[i][j]); |
89812fc8 | 312 | if (n > longest && !strncasecmp(str, names[i][j], n)) |
61c45981 PM |
313 | longest = n; |
314 | } | |
89812fc8 | 315 | if (longest > 0) |
61c45981 | 316 | return i; |
8326f44d IM |
317 | } |
318 | ||
8953645f | 319 | return -1; |
8326f44d IM |
320 | } |
321 | ||
c5cd8ac0 | 322 | int parse_events_add_cache(struct list_head *list, int *idx, |
89812fc8 | 323 | char *type, char *op_result1, char *op_result2) |
8326f44d | 324 | { |
89812fc8 JO |
325 | struct perf_event_attr attr; |
326 | char name[MAX_NAME_LEN]; | |
61c45981 | 327 | int cache_type = -1, cache_op = -1, cache_result = -1; |
89812fc8 JO |
328 | char *op_result[2] = { op_result1, op_result2 }; |
329 | int i, n; | |
8326f44d | 330 | |
8326f44d IM |
331 | /* |
332 | * No fallback - if we cannot get a clear cache type | |
333 | * then bail out: | |
334 | */ | |
0b668bc9 | 335 | cache_type = parse_aliases(type, perf_evsel__hw_cache, |
89812fc8 | 336 | PERF_COUNT_HW_CACHE_MAX); |
8326f44d | 337 | if (cache_type == -1) |
89812fc8 JO |
338 | return -EINVAL; |
339 | ||
340 | n = snprintf(name, MAX_NAME_LEN, "%s", type); | |
61c45981 | 341 | |
89812fc8 JO |
342 | for (i = 0; (i < 2) && (op_result[i]); i++) { |
343 | char *str = op_result[i]; | |
344 | ||
275ef387 | 345 | n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str); |
61c45981 PM |
346 | |
347 | if (cache_op == -1) { | |
0b668bc9 | 348 | cache_op = parse_aliases(str, perf_evsel__hw_cache_op, |
89812fc8 | 349 | PERF_COUNT_HW_CACHE_OP_MAX); |
61c45981 | 350 | if (cache_op >= 0) { |
0b668bc9 | 351 | if (!perf_evsel__is_cache_op_valid(cache_type, cache_op)) |
89812fc8 | 352 | return -EINVAL; |
61c45981 PM |
353 | continue; |
354 | } | |
355 | } | |
356 | ||
357 | if (cache_result == -1) { | |
0b668bc9 ACM |
358 | cache_result = parse_aliases(str, perf_evsel__hw_cache_result, |
359 | PERF_COUNT_HW_CACHE_RESULT_MAX); | |
61c45981 PM |
360 | if (cache_result >= 0) |
361 | continue; | |
362 | } | |
61c45981 | 363 | } |
8326f44d | 364 | |
8326f44d IM |
365 | /* |
366 | * Fall back to reads: | |
367 | */ | |
8953645f IM |
368 | if (cache_op == -1) |
369 | cache_op = PERF_COUNT_HW_CACHE_OP_READ; | |
8326f44d | 370 | |
8326f44d IM |
371 | /* |
372 | * Fall back to accesses: | |
373 | */ | |
374 | if (cache_result == -1) | |
375 | cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; | |
376 | ||
89812fc8 JO |
377 | memset(&attr, 0, sizeof(attr)); |
378 | attr.config = cache_type | (cache_op << 8) | (cache_result << 16); | |
379 | attr.type = PERF_TYPE_HW_CACHE; | |
380 | return add_event(list, idx, &attr, name); | |
bcd3279f FW |
381 | } |
382 | ||
c5cd8ac0 | 383 | static int add_tracepoint(struct list_head *list, int *idx, |
89812fc8 | 384 | char *sys_name, char *evt_name) |
bcd3279f | 385 | { |
82fe1c29 | 386 | struct perf_evsel *evsel; |
bcd3279f | 387 | |
ef503831 | 388 | evsel = perf_evsel__newtp_idx(sys_name, evt_name, (*idx)++); |
c5cd8ac0 | 389 | if (!evsel) |
82fe1c29 | 390 | return -ENOMEM; |
bcd3279f | 391 | |
82fe1c29 | 392 | list_add_tail(&evsel->node, list); |
c5cd8ac0 | 393 | |
82fe1c29 | 394 | return 0; |
8326f44d IM |
395 | } |
396 | ||
c5cd8ac0 | 397 | static int add_tracepoint_multi_event(struct list_head *list, int *idx, |
f35488f9 | 398 | char *sys_name, char *evt_name) |
bcd3279f FW |
399 | { |
400 | char evt_path[MAXPATHLEN]; | |
401 | struct dirent *evt_ent; | |
402 | DIR *evt_dir; | |
89812fc8 | 403 | int ret = 0; |
bcd3279f | 404 | |
ebf294bf | 405 | snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); |
bcd3279f | 406 | evt_dir = opendir(evt_path); |
bcd3279f FW |
407 | if (!evt_dir) { |
408 | perror("Can't open event dir"); | |
89812fc8 | 409 | return -1; |
bcd3279f FW |
410 | } |
411 | ||
89812fc8 | 412 | while (!ret && (evt_ent = readdir(evt_dir))) { |
bcd3279f FW |
413 | if (!strcmp(evt_ent->d_name, ".") |
414 | || !strcmp(evt_ent->d_name, "..") | |
415 | || !strcmp(evt_ent->d_name, "enable") | |
416 | || !strcmp(evt_ent->d_name, "filter")) | |
417 | continue; | |
418 | ||
89812fc8 | 419 | if (!strglobmatch(evt_ent->d_name, evt_name)) |
fb1d2edf MH |
420 | continue; |
421 | ||
89812fc8 | 422 | ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name); |
bcd3279f FW |
423 | } |
424 | ||
0bd3f084 | 425 | closedir(evt_dir); |
89812fc8 | 426 | return ret; |
bcd3279f FW |
427 | } |
428 | ||
c5cd8ac0 | 429 | static int add_tracepoint_event(struct list_head *list, int *idx, |
f35488f9 JO |
430 | char *sys_name, char *evt_name) |
431 | { | |
432 | return strpbrk(evt_name, "*?") ? | |
433 | add_tracepoint_multi_event(list, idx, sys_name, evt_name) : | |
434 | add_tracepoint(list, idx, sys_name, evt_name); | |
435 | } | |
436 | ||
c5cd8ac0 | 437 | static int add_tracepoint_multi_sys(struct list_head *list, int *idx, |
f35488f9 JO |
438 | char *sys_name, char *evt_name) |
439 | { | |
440 | struct dirent *events_ent; | |
441 | DIR *events_dir; | |
442 | int ret = 0; | |
443 | ||
444 | events_dir = opendir(tracing_events_path); | |
445 | if (!events_dir) { | |
446 | perror("Can't open event dir"); | |
447 | return -1; | |
448 | } | |
449 | ||
450 | while (!ret && (events_ent = readdir(events_dir))) { | |
451 | if (!strcmp(events_ent->d_name, ".") | |
452 | || !strcmp(events_ent->d_name, "..") | |
453 | || !strcmp(events_ent->d_name, "enable") | |
454 | || !strcmp(events_ent->d_name, "header_event") | |
455 | || !strcmp(events_ent->d_name, "header_page")) | |
456 | continue; | |
457 | ||
458 | if (!strglobmatch(events_ent->d_name, sys_name)) | |
459 | continue; | |
460 | ||
461 | ret = add_tracepoint_event(list, idx, events_ent->d_name, | |
462 | evt_name); | |
463 | } | |
464 | ||
465 | closedir(events_dir); | |
466 | return ret; | |
467 | } | |
468 | ||
c5cd8ac0 | 469 | int parse_events_add_tracepoint(struct list_head *list, int *idx, |
89812fc8 | 470 | char *sys, char *event) |
f6bdafef | 471 | { |
f35488f9 JO |
472 | if (strpbrk(sys, "*?")) |
473 | return add_tracepoint_multi_sys(list, idx, sys, event); | |
474 | else | |
475 | return add_tracepoint_event(list, idx, sys, event); | |
f6bdafef JB |
476 | } |
477 | ||
89812fc8 JO |
478 | static int |
479 | parse_breakpoint_type(const char *type, struct perf_event_attr *attr) | |
1b290d67 FW |
480 | { |
481 | int i; | |
482 | ||
483 | for (i = 0; i < 3; i++) { | |
89812fc8 | 484 | if (!type || !type[i]) |
1b290d67 FW |
485 | break; |
486 | ||
7582732f JO |
487 | #define CHECK_SET_TYPE(bit) \ |
488 | do { \ | |
489 | if (attr->bp_type & bit) \ | |
490 | return -EINVAL; \ | |
491 | else \ | |
492 | attr->bp_type |= bit; \ | |
493 | } while (0) | |
494 | ||
1b290d67 FW |
495 | switch (type[i]) { |
496 | case 'r': | |
7582732f | 497 | CHECK_SET_TYPE(HW_BREAKPOINT_R); |
1b290d67 FW |
498 | break; |
499 | case 'w': | |
7582732f | 500 | CHECK_SET_TYPE(HW_BREAKPOINT_W); |
1b290d67 FW |
501 | break; |
502 | case 'x': | |
7582732f | 503 | CHECK_SET_TYPE(HW_BREAKPOINT_X); |
1b290d67 FW |
504 | break; |
505 | default: | |
89812fc8 | 506 | return -EINVAL; |
1b290d67 FW |
507 | } |
508 | } | |
89812fc8 | 509 | |
7582732f JO |
510 | #undef CHECK_SET_TYPE |
511 | ||
1b290d67 FW |
512 | if (!attr->bp_type) /* Default */ |
513 | attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; | |
514 | ||
89812fc8 | 515 | return 0; |
1b290d67 FW |
516 | } |
517 | ||
c5cd8ac0 | 518 | int parse_events_add_breakpoint(struct list_head *list, int *idx, |
3741eb9f | 519 | void *ptr, char *type, u64 len) |
1b290d67 | 520 | { |
89812fc8 | 521 | struct perf_event_attr attr; |
1b290d67 | 522 | |
89812fc8 | 523 | memset(&attr, 0, sizeof(attr)); |
9fafd98f | 524 | attr.bp_addr = (unsigned long) ptr; |
1b290d67 | 525 | |
89812fc8 JO |
526 | if (parse_breakpoint_type(type, &attr)) |
527 | return -EINVAL; | |
1b290d67 | 528 | |
3741eb9f JS |
529 | /* Provide some defaults if len is not specified */ |
530 | if (!len) { | |
531 | if (attr.bp_type == HW_BREAKPOINT_X) | |
532 | len = sizeof(long); | |
533 | else | |
534 | len = HW_BREAKPOINT_LEN_4; | |
535 | } | |
536 | ||
537 | attr.bp_len = len; | |
61c45981 | 538 | |
89812fc8 | 539 | attr.type = PERF_TYPE_BREAKPOINT; |
4a841d65 | 540 | attr.sample_period = 1; |
b908debd | 541 | |
287e74aa | 542 | return add_event(list, idx, &attr, NULL); |
74d5b588 JSR |
543 | } |
544 | ||
3b0e371c JO |
545 | static int check_type_val(struct parse_events_term *term, |
546 | struct parse_events_error *err, | |
547 | int type) | |
548 | { | |
549 | if (type == term->type_val) | |
550 | return 0; | |
551 | ||
552 | if (err) { | |
553 | err->idx = term->err_val; | |
554 | if (type == PARSE_EVENTS__TERM_TYPE_NUM) | |
555 | err->str = strdup("expected numeric value"); | |
556 | else | |
557 | err->str = strdup("expected string value"); | |
558 | } | |
559 | return -EINVAL; | |
560 | } | |
561 | ||
8f707d84 | 562 | static int config_term(struct perf_event_attr *attr, |
3b0e371c JO |
563 | struct parse_events_term *term, |
564 | struct parse_events_error *err) | |
8f707d84 | 565 | { |
3b0e371c JO |
566 | #define CHECK_TYPE_VAL(type) \ |
567 | do { \ | |
568 | if (check_type_val(term, err, PARSE_EVENTS__TERM_TYPE_ ## type)) \ | |
569 | return -EINVAL; \ | |
16fa7e82 JO |
570 | } while (0) |
571 | ||
572 | switch (term->type_term) { | |
c056ba6a JO |
573 | case PARSE_EVENTS__TERM_TYPE_USER: |
574 | /* | |
575 | * Always succeed for sysfs terms, as we dont know | |
576 | * at this point what type they need to have. | |
577 | */ | |
578 | return 0; | |
8f707d84 | 579 | case PARSE_EVENTS__TERM_TYPE_CONFIG: |
16fa7e82 | 580 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
581 | attr->config = term->val.num; |
582 | break; | |
583 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
16fa7e82 | 584 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
585 | attr->config1 = term->val.num; |
586 | break; | |
587 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
16fa7e82 | 588 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
589 | attr->config2 = term->val.num; |
590 | break; | |
591 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
16fa7e82 | 592 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
593 | attr->sample_period = term->val.num; |
594 | break; | |
595 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
596 | /* | |
597 | * TODO uncomment when the field is available | |
598 | * attr->branch_sample_type = term->val.num; | |
599 | */ | |
600 | break; | |
6b5fc39b JO |
601 | case PARSE_EVENTS__TERM_TYPE_NAME: |
602 | CHECK_TYPE_VAL(STR); | |
603 | break; | |
8f707d84 JO |
604 | default: |
605 | return -EINVAL; | |
606 | } | |
16fa7e82 | 607 | |
8f707d84 | 608 | return 0; |
16fa7e82 | 609 | #undef CHECK_TYPE_VAL |
8f707d84 JO |
610 | } |
611 | ||
612 | static int config_attr(struct perf_event_attr *attr, | |
3b0e371c JO |
613 | struct list_head *head, |
614 | struct parse_events_error *err) | |
8f707d84 | 615 | { |
6cee6cd3 | 616 | struct parse_events_term *term; |
8f707d84 JO |
617 | |
618 | list_for_each_entry(term, head, list) | |
3b0e371c | 619 | if (config_term(attr, term, err)) |
8f707d84 JO |
620 | return -EINVAL; |
621 | ||
622 | return 0; | |
623 | } | |
624 | ||
87d650be JO |
625 | int parse_events_add_numeric(struct parse_events_evlist *data, |
626 | struct list_head *list, | |
b527bab5 | 627 | u32 type, u64 config, |
8f707d84 | 628 | struct list_head *head_config) |
8ad8db37 | 629 | { |
89812fc8 | 630 | struct perf_event_attr attr; |
61c45981 | 631 | |
89812fc8 JO |
632 | memset(&attr, 0, sizeof(attr)); |
633 | attr.type = type; | |
634 | attr.config = config; | |
8f707d84 JO |
635 | |
636 | if (head_config && | |
87d650be | 637 | config_attr(&attr, head_config, data->error)) |
8f707d84 JO |
638 | return -EINVAL; |
639 | ||
87d650be | 640 | return add_event(list, &data->idx, &attr, NULL); |
61c45981 | 641 | } |
8ad8db37 | 642 | |
6cee6cd3 | 643 | static int parse_events__is_name_term(struct parse_events_term *term) |
6b5fc39b JO |
644 | { |
645 | return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; | |
646 | } | |
647 | ||
9db1763c | 648 | static char *pmu_event_name(struct list_head *head_terms) |
6b5fc39b | 649 | { |
6cee6cd3 | 650 | struct parse_events_term *term; |
6b5fc39b JO |
651 | |
652 | list_for_each_entry(term, head_terms, list) | |
653 | if (parse_events__is_name_term(term)) | |
654 | return term->val.str; | |
655 | ||
9db1763c | 656 | return NULL; |
6b5fc39b JO |
657 | } |
658 | ||
36adec85 JO |
659 | int parse_events_add_pmu(struct parse_events_evlist *data, |
660 | struct list_head *list, char *name, | |
661 | struct list_head *head_config) | |
5f537a26 JO |
662 | { |
663 | struct perf_event_attr attr; | |
46441bdc | 664 | struct perf_pmu_info info; |
5f537a26 | 665 | struct perf_pmu *pmu; |
410136f5 | 666 | struct perf_evsel *evsel; |
5f537a26 JO |
667 | |
668 | pmu = perf_pmu__find(name); | |
669 | if (!pmu) | |
670 | return -EINVAL; | |
671 | ||
dc0a6202 AH |
672 | if (pmu->default_config) { |
673 | memcpy(&attr, pmu->default_config, | |
674 | sizeof(struct perf_event_attr)); | |
675 | } else { | |
676 | memset(&attr, 0, sizeof(attr)); | |
677 | } | |
5f537a26 | 678 | |
ad962273 AH |
679 | if (!head_config) { |
680 | attr.type = pmu->type; | |
36adec85 | 681 | evsel = __add_event(list, &data->idx, &attr, NULL, pmu->cpus); |
ad962273 AH |
682 | return evsel ? 0 : -ENOMEM; |
683 | } | |
684 | ||
46441bdc | 685 | if (perf_pmu__check_alias(pmu, head_config, &info)) |
a6146d50 ZY |
686 | return -EINVAL; |
687 | ||
5f537a26 JO |
688 | /* |
689 | * Configure hardcoded terms first, no need to check | |
690 | * return value when called with fail == 0 ;) | |
691 | */ | |
3b0e371c | 692 | if (config_attr(&attr, head_config, data->error)) |
c056ba6a | 693 | return -EINVAL; |
5f537a26 | 694 | |
e64b020b | 695 | if (perf_pmu__config(pmu, &attr, head_config, data->error)) |
5f537a26 JO |
696 | return -EINVAL; |
697 | ||
36adec85 JO |
698 | evsel = __add_event(list, &data->idx, &attr, |
699 | pmu_event_name(head_config), pmu->cpus); | |
410136f5 | 700 | if (evsel) { |
46441bdc MF |
701 | evsel->unit = info.unit; |
702 | evsel->scale = info.scale; | |
044330c1 | 703 | evsel->per_pkg = info.per_pkg; |
1d9e446b | 704 | evsel->snapshot = info.snapshot; |
410136f5 SE |
705 | } |
706 | ||
707 | return evsel ? 0 : -ENOMEM; | |
5f537a26 JO |
708 | } |
709 | ||
6a4bb04c JO |
710 | int parse_events__modifier_group(struct list_head *list, |
711 | char *event_mod) | |
89efb029 | 712 | { |
6a4bb04c JO |
713 | return parse_events__modifier_event(list, event_mod, true); |
714 | } | |
715 | ||
63dab225 | 716 | void parse_events__set_leader(char *name, struct list_head *list) |
6a4bb04c JO |
717 | { |
718 | struct perf_evsel *leader; | |
719 | ||
63dab225 ACM |
720 | __perf_evlist__set_leader(list); |
721 | leader = list_entry(list->next, struct perf_evsel, node); | |
6a4bb04c | 722 | leader->group_name = name ? strdup(name) : NULL; |
89efb029 JO |
723 | } |
724 | ||
c5cd8ac0 | 725 | /* list_event is assumed to point to malloc'ed memory */ |
5d7be90e JO |
726 | void parse_events_update_lists(struct list_head *list_event, |
727 | struct list_head *list_all) | |
728 | { | |
729 | /* | |
730 | * Called for single event definition. Update the | |
89efb029 | 731 | * 'all event' list, and reinit the 'single event' |
5d7be90e JO |
732 | * list, for next event definition. |
733 | */ | |
734 | list_splice_tail(list_event, list_all); | |
b847cbdc | 735 | free(list_event); |
5d7be90e JO |
736 | } |
737 | ||
f5b1135b JO |
738 | struct event_modifier { |
739 | int eu; | |
740 | int ek; | |
741 | int eh; | |
742 | int eH; | |
743 | int eG; | |
a1e12da4 | 744 | int eI; |
f5b1135b JO |
745 | int precise; |
746 | int exclude_GH; | |
3c176311 | 747 | int sample_read; |
e9a7c414 | 748 | int pinned; |
f5b1135b JO |
749 | }; |
750 | ||
751 | static int get_event_modifier(struct event_modifier *mod, char *str, | |
752 | struct perf_evsel *evsel) | |
61c45981 | 753 | { |
f5b1135b JO |
754 | int eu = evsel ? evsel->attr.exclude_user : 0; |
755 | int ek = evsel ? evsel->attr.exclude_kernel : 0; | |
756 | int eh = evsel ? evsel->attr.exclude_hv : 0; | |
757 | int eH = evsel ? evsel->attr.exclude_host : 0; | |
758 | int eG = evsel ? evsel->attr.exclude_guest : 0; | |
a1e12da4 | 759 | int eI = evsel ? evsel->attr.exclude_idle : 0; |
f5b1135b | 760 | int precise = evsel ? evsel->attr.precise_ip : 0; |
3c176311 | 761 | int sample_read = 0; |
e9a7c414 | 762 | int pinned = evsel ? evsel->attr.pinned : 0; |
a21ca2ca | 763 | |
f5b1135b JO |
764 | int exclude = eu | ek | eh; |
765 | int exclude_GH = evsel ? evsel->exclude_GH : 0; | |
766 | ||
f5b1135b | 767 | memset(mod, 0, sizeof(*mod)); |
ceb53fbf | 768 | |
61c45981 | 769 | while (*str) { |
ab608344 PZ |
770 | if (*str == 'u') { |
771 | if (!exclude) | |
772 | exclude = eu = ek = eh = 1; | |
61c45981 | 773 | eu = 0; |
ab608344 PZ |
774 | } else if (*str == 'k') { |
775 | if (!exclude) | |
776 | exclude = eu = ek = eh = 1; | |
61c45981 | 777 | ek = 0; |
ab608344 PZ |
778 | } else if (*str == 'h') { |
779 | if (!exclude) | |
780 | exclude = eu = ek = eh = 1; | |
61c45981 | 781 | eh = 0; |
99320cc8 JR |
782 | } else if (*str == 'G') { |
783 | if (!exclude_GH) | |
784 | exclude_GH = eG = eH = 1; | |
785 | eG = 0; | |
786 | } else if (*str == 'H') { | |
787 | if (!exclude_GH) | |
788 | exclude_GH = eG = eH = 1; | |
789 | eH = 0; | |
a1e12da4 JO |
790 | } else if (*str == 'I') { |
791 | eI = 1; | |
ab608344 PZ |
792 | } else if (*str == 'p') { |
793 | precise++; | |
1342798c DA |
794 | /* use of precise requires exclude_guest */ |
795 | if (!exclude_GH) | |
796 | eG = 1; | |
3c176311 JO |
797 | } else if (*str == 'S') { |
798 | sample_read = 1; | |
e9a7c414 ME |
799 | } else if (*str == 'D') { |
800 | pinned = 1; | |
ab608344 | 801 | } else |
61c45981 | 802 | break; |
ab608344 | 803 | |
61c45981 | 804 | ++str; |
5242519b | 805 | } |
ceb53fbf | 806 | |
89812fc8 JO |
807 | /* |
808 | * precise ip: | |
809 | * | |
810 | * 0 - SAMPLE_IP can have arbitrary skid | |
811 | * 1 - SAMPLE_IP must have constant skid | |
812 | * 2 - SAMPLE_IP requested to have 0 skid | |
813 | * 3 - SAMPLE_IP must have 0 skid | |
814 | * | |
815 | * See also PERF_RECORD_MISC_EXACT_IP | |
816 | */ | |
817 | if (precise > 3) | |
818 | return -EINVAL; | |
ceb53fbf | 819 | |
f5b1135b JO |
820 | mod->eu = eu; |
821 | mod->ek = ek; | |
822 | mod->eh = eh; | |
823 | mod->eH = eH; | |
824 | mod->eG = eG; | |
a1e12da4 | 825 | mod->eI = eI; |
f5b1135b JO |
826 | mod->precise = precise; |
827 | mod->exclude_GH = exclude_GH; | |
3c176311 | 828 | mod->sample_read = sample_read; |
e9a7c414 ME |
829 | mod->pinned = pinned; |
830 | ||
f5b1135b JO |
831 | return 0; |
832 | } | |
833 | ||
534123f4 JO |
834 | /* |
835 | * Basic modifier sanity check to validate it contains only one | |
836 | * instance of any modifier (apart from 'p') present. | |
837 | */ | |
838 | static int check_modifier(char *str) | |
839 | { | |
840 | char *p = str; | |
841 | ||
842 | /* The sizeof includes 0 byte as well. */ | |
a1e12da4 | 843 | if (strlen(str) > (sizeof("ukhGHpppSDI") - 1)) |
534123f4 JO |
844 | return -1; |
845 | ||
846 | while (*p) { | |
847 | if (*p != 'p' && strchr(p + 1, *p)) | |
848 | return -1; | |
849 | p++; | |
850 | } | |
851 | ||
852 | return 0; | |
853 | } | |
854 | ||
f5b1135b JO |
855 | int parse_events__modifier_event(struct list_head *list, char *str, bool add) |
856 | { | |
857 | struct perf_evsel *evsel; | |
858 | struct event_modifier mod; | |
859 | ||
860 | if (str == NULL) | |
861 | return 0; | |
862 | ||
534123f4 JO |
863 | if (check_modifier(str)) |
864 | return -EINVAL; | |
865 | ||
f5b1135b JO |
866 | if (!add && get_event_modifier(&mod, str, NULL)) |
867 | return -EINVAL; | |
868 | ||
0050f7aa | 869 | __evlist__for_each(list, evsel) { |
f5b1135b JO |
870 | if (add && get_event_modifier(&mod, str, evsel)) |
871 | return -EINVAL; | |
872 | ||
873 | evsel->attr.exclude_user = mod.eu; | |
874 | evsel->attr.exclude_kernel = mod.ek; | |
875 | evsel->attr.exclude_hv = mod.eh; | |
876 | evsel->attr.precise_ip = mod.precise; | |
877 | evsel->attr.exclude_host = mod.eH; | |
878 | evsel->attr.exclude_guest = mod.eG; | |
a1e12da4 | 879 | evsel->attr.exclude_idle = mod.eI; |
f5b1135b | 880 | evsel->exclude_GH = mod.exclude_GH; |
3c176311 | 881 | evsel->sample_read = mod.sample_read; |
e9a7c414 ME |
882 | |
883 | if (perf_evsel__is_group_leader(evsel)) | |
884 | evsel->attr.pinned = mod.pinned; | |
89812fc8 | 885 | } |
ceb53fbf | 886 | |
61c45981 PM |
887 | return 0; |
888 | } | |
8ad8db37 | 889 | |
ac2ba9f3 RR |
890 | int parse_events_name(struct list_head *list, char *name) |
891 | { | |
892 | struct perf_evsel *evsel; | |
893 | ||
0050f7aa | 894 | __evlist__for_each(list, evsel) { |
ac2ba9f3 RR |
895 | if (!evsel->name) |
896 | evsel->name = strdup(name); | |
897 | } | |
898 | ||
899 | return 0; | |
900 | } | |
901 | ||
dcb4e102 KL |
902 | static int |
903 | comp_pmu(const void *p1, const void *p2) | |
904 | { | |
905 | struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1; | |
906 | struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2; | |
907 | ||
908 | return strcmp(pmu1->symbol, pmu2->symbol); | |
909 | } | |
910 | ||
911 | static void perf_pmu__parse_cleanup(void) | |
912 | { | |
913 | if (perf_pmu_events_list_num > 0) { | |
914 | struct perf_pmu_event_symbol *p; | |
915 | int i; | |
916 | ||
917 | for (i = 0; i < perf_pmu_events_list_num; i++) { | |
918 | p = perf_pmu_events_list + i; | |
919 | free(p->symbol); | |
920 | } | |
921 | free(perf_pmu_events_list); | |
922 | perf_pmu_events_list = NULL; | |
923 | perf_pmu_events_list_num = 0; | |
924 | } | |
925 | } | |
926 | ||
927 | #define SET_SYMBOL(str, stype) \ | |
928 | do { \ | |
929 | p->symbol = str; \ | |
930 | if (!p->symbol) \ | |
931 | goto err; \ | |
932 | p->type = stype; \ | |
933 | } while (0) | |
934 | ||
935 | /* | |
936 | * Read the pmu events list from sysfs | |
937 | * Save it into perf_pmu_events_list | |
938 | */ | |
939 | static void perf_pmu__parse_init(void) | |
940 | { | |
941 | ||
942 | struct perf_pmu *pmu = NULL; | |
943 | struct perf_pmu_alias *alias; | |
944 | int len = 0; | |
945 | ||
946 | pmu = perf_pmu__find("cpu"); | |
947 | if ((pmu == NULL) || list_empty(&pmu->aliases)) { | |
948 | perf_pmu_events_list_num = -1; | |
949 | return; | |
950 | } | |
951 | list_for_each_entry(alias, &pmu->aliases, list) { | |
952 | if (strchr(alias->name, '-')) | |
953 | len++; | |
954 | len++; | |
955 | } | |
956 | perf_pmu_events_list = malloc(sizeof(struct perf_pmu_event_symbol) * len); | |
957 | if (!perf_pmu_events_list) | |
958 | return; | |
959 | perf_pmu_events_list_num = len; | |
960 | ||
961 | len = 0; | |
962 | list_for_each_entry(alias, &pmu->aliases, list) { | |
963 | struct perf_pmu_event_symbol *p = perf_pmu_events_list + len; | |
964 | char *tmp = strchr(alias->name, '-'); | |
965 | ||
966 | if (tmp != NULL) { | |
967 | SET_SYMBOL(strndup(alias->name, tmp - alias->name), | |
968 | PMU_EVENT_SYMBOL_PREFIX); | |
969 | p++; | |
970 | SET_SYMBOL(strdup(++tmp), PMU_EVENT_SYMBOL_SUFFIX); | |
971 | len += 2; | |
972 | } else { | |
973 | SET_SYMBOL(strdup(alias->name), PMU_EVENT_SYMBOL); | |
974 | len++; | |
975 | } | |
976 | } | |
977 | qsort(perf_pmu_events_list, len, | |
978 | sizeof(struct perf_pmu_event_symbol), comp_pmu); | |
979 | ||
980 | return; | |
981 | err: | |
982 | perf_pmu__parse_cleanup(); | |
983 | } | |
984 | ||
985 | enum perf_pmu_event_symbol_type | |
986 | perf_pmu__parse_check(const char *name) | |
987 | { | |
988 | struct perf_pmu_event_symbol p, *r; | |
989 | ||
990 | /* scan kernel pmu events from sysfs if needed */ | |
991 | if (perf_pmu_events_list_num == 0) | |
992 | perf_pmu__parse_init(); | |
993 | /* | |
994 | * name "cpu" could be prefix of cpu-cycles or cpu// events. | |
995 | * cpu-cycles has been handled by hardcode. | |
996 | * So it must be cpu// events, not kernel pmu event. | |
997 | */ | |
998 | if ((perf_pmu_events_list_num <= 0) || !strcmp(name, "cpu")) | |
999 | return PMU_EVENT_SYMBOL_ERR; | |
1000 | ||
1001 | p.symbol = strdup(name); | |
1002 | r = bsearch(&p, perf_pmu_events_list, | |
1003 | (size_t) perf_pmu_events_list_num, | |
1004 | sizeof(struct perf_pmu_event_symbol), comp_pmu); | |
1005 | free(p.symbol); | |
1006 | return r ? r->type : PMU_EVENT_SYMBOL_ERR; | |
1007 | } | |
1008 | ||
90e2b22d | 1009 | static int parse_events__scanner(const char *str, void *data, int start_token) |
61c45981 | 1010 | { |
89812fc8 | 1011 | YY_BUFFER_STATE buffer; |
ac20de6f | 1012 | void *scanner; |
46010ab2 | 1013 | int ret; |
bcd3279f | 1014 | |
90e2b22d | 1015 | ret = parse_events_lex_init_extra(start_token, &scanner); |
ac20de6f ZY |
1016 | if (ret) |
1017 | return ret; | |
1018 | ||
1019 | buffer = parse_events__scan_string(str, scanner); | |
a21ca2ca | 1020 | |
82ba1f2f JO |
1021 | #ifdef PARSER_DEBUG |
1022 | parse_events_debug = 1; | |
1023 | #endif | |
ac20de6f ZY |
1024 | ret = parse_events_parse(data, scanner); |
1025 | ||
1026 | parse_events__flush_buffer(buffer, scanner); | |
1027 | parse_events__delete_buffer(buffer, scanner); | |
1028 | parse_events_lex_destroy(scanner); | |
1029 | return ret; | |
1030 | } | |
bcd3279f | 1031 | |
90e2b22d JO |
1032 | /* |
1033 | * parse event config string, return a list of event terms. | |
1034 | */ | |
1035 | int parse_events_terms(struct list_head *terms, const char *str) | |
1036 | { | |
23b6339b | 1037 | struct parse_events_terms data = { |
90e2b22d JO |
1038 | .terms = NULL, |
1039 | }; | |
1040 | int ret; | |
1041 | ||
1042 | ret = parse_events__scanner(str, &data, PE_START_TERMS); | |
1043 | if (!ret) { | |
1044 | list_splice(data.terms, terms); | |
74cf249d | 1045 | zfree(&data.terms); |
90e2b22d JO |
1046 | return 0; |
1047 | } | |
1048 | ||
b2c34fde AH |
1049 | if (data.terms) |
1050 | parse_events__free_terms(data.terms); | |
90e2b22d JO |
1051 | return ret; |
1052 | } | |
1053 | ||
b39b8393 JO |
1054 | int parse_events(struct perf_evlist *evlist, const char *str, |
1055 | struct parse_events_error *err) | |
ac20de6f | 1056 | { |
23b6339b | 1057 | struct parse_events_evlist data = { |
b39b8393 JO |
1058 | .list = LIST_HEAD_INIT(data.list), |
1059 | .idx = evlist->nr_entries, | |
1060 | .error = err, | |
ac20de6f ZY |
1061 | }; |
1062 | int ret; | |
bcd3279f | 1063 | |
90e2b22d | 1064 | ret = parse_events__scanner(str, &data, PE_START_EVENTS); |
dcb4e102 | 1065 | perf_pmu__parse_cleanup(); |
89812fc8 | 1066 | if (!ret) { |
46010ab2 JO |
1067 | int entries = data.idx - evlist->nr_entries; |
1068 | perf_evlist__splice_list_tail(evlist, &data.list, entries); | |
97f63e4a | 1069 | evlist->nr_groups += data.nr_groups; |
89812fc8 JO |
1070 | return 0; |
1071 | } | |
bcd3279f | 1072 | |
5d7be90e JO |
1073 | /* |
1074 | * There are 2 users - builtin-record and builtin-test objects. | |
1075 | * Both call perf_evlist__delete in case of error, so we dont | |
1076 | * need to bother. | |
1077 | */ | |
bcd3279f | 1078 | return ret; |
8ad8db37 IM |
1079 | } |
1080 | ||
b39b8393 JO |
1081 | #define MAX_WIDTH 1000 |
1082 | static int get_term_width(void) | |
1083 | { | |
1084 | struct winsize ws; | |
1085 | ||
1086 | get_term_dimensions(&ws); | |
1087 | return ws.ws_col > MAX_WIDTH ? MAX_WIDTH : ws.ws_col; | |
1088 | } | |
1089 | ||
1090 | static void parse_events_print_error(struct parse_events_error *err, | |
1091 | const char *event) | |
1092 | { | |
1093 | const char *str = "invalid or unsupported event: "; | |
1094 | char _buf[MAX_WIDTH]; | |
1095 | char *buf = (char *) event; | |
1096 | int idx = 0; | |
1097 | ||
1098 | if (err->str) { | |
1099 | /* -2 for extra '' in the final fprintf */ | |
1100 | int width = get_term_width() - 2; | |
1101 | int len_event = strlen(event); | |
1102 | int len_str, max_len, cut = 0; | |
1103 | ||
1104 | /* | |
1105 | * Maximum error index indent, we will cut | |
1106 | * the event string if it's bigger. | |
1107 | */ | |
1108 | int max_err_idx = 10; | |
1109 | ||
1110 | /* | |
1111 | * Let's be specific with the message when | |
1112 | * we have the precise error. | |
1113 | */ | |
1114 | str = "event syntax error: "; | |
1115 | len_str = strlen(str); | |
1116 | max_len = width - len_str; | |
1117 | ||
1118 | buf = _buf; | |
1119 | ||
1120 | /* We're cutting from the beggining. */ | |
1121 | if (err->idx > max_err_idx) | |
1122 | cut = err->idx - max_err_idx; | |
1123 | ||
1124 | strncpy(buf, event + cut, max_len); | |
1125 | ||
1126 | /* Mark cut parts with '..' on both sides. */ | |
1127 | if (cut) | |
1128 | buf[0] = buf[1] = '.'; | |
1129 | ||
1130 | if ((len_event - cut) > max_len) { | |
1131 | buf[max_len - 1] = buf[max_len - 2] = '.'; | |
1132 | buf[max_len] = 0; | |
1133 | } | |
1134 | ||
1135 | idx = len_str + err->idx - cut; | |
1136 | } | |
1137 | ||
1138 | fprintf(stderr, "%s'%s'\n", str, buf); | |
1139 | if (idx) { | |
1140 | fprintf(stderr, "%*s\\___ %s\n", idx + 1, "", err->str); | |
1141 | if (err->help) | |
1142 | fprintf(stderr, "\n%s\n", err->help); | |
1143 | free(err->str); | |
1144 | free(err->help); | |
1145 | } | |
1146 | ||
1147 | fprintf(stderr, "Run 'perf list' for a list of valid events\n"); | |
1148 | } | |
1149 | ||
1150 | #undef MAX_WIDTH | |
1151 | ||
f120f9d5 | 1152 | int parse_events_option(const struct option *opt, const char *str, |
1d037ca1 | 1153 | int unset __maybe_unused) |
f120f9d5 JO |
1154 | { |
1155 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
b39b8393 JO |
1156 | struct parse_events_error err = { .idx = 0, }; |
1157 | int ret = parse_events(evlist, str, &err); | |
1158 | ||
1159 | if (ret) | |
1160 | parse_events_print_error(&err, str); | |
9175ce1f | 1161 | |
9175ce1f | 1162 | return ret; |
f120f9d5 JO |
1163 | } |
1164 | ||
361c99a6 | 1165 | int parse_filter(const struct option *opt, const char *str, |
1d037ca1 | 1166 | int unset __maybe_unused) |
c171b552 | 1167 | { |
361c99a6 | 1168 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; |
69aad6f1 | 1169 | struct perf_evsel *last = NULL; |
c171b552 | 1170 | |
361c99a6 | 1171 | if (evlist->nr_entries > 0) |
0c21f736 | 1172 | last = perf_evlist__last(evlist); |
69aad6f1 ACM |
1173 | |
1174 | if (last == NULL || last->attr.type != PERF_TYPE_TRACEPOINT) { | |
c171b552 | 1175 | fprintf(stderr, |
281f92f2 | 1176 | "--filter option should follow a -e tracepoint option\n"); |
c171b552 LZ |
1177 | return -1; |
1178 | } | |
1179 | ||
12467ae4 | 1180 | if (perf_evsel__set_filter(last, str) < 0) { |
c171b552 LZ |
1181 | fprintf(stderr, "not enough memory to hold filter string\n"); |
1182 | return -1; | |
1183 | } | |
c171b552 LZ |
1184 | |
1185 | return 0; | |
1186 | } | |
1187 | ||
86847b62 | 1188 | static const char * const event_type_descriptors[] = { |
86847b62 TG |
1189 | "Hardware event", |
1190 | "Software event", | |
1191 | "Tracepoint event", | |
1192 | "Hardware cache event", | |
41bdcb23 LW |
1193 | "Raw hardware event descriptor", |
1194 | "Hardware breakpoint", | |
86847b62 TG |
1195 | }; |
1196 | ||
ab0e4800 YS |
1197 | static int cmp_string(const void *a, const void *b) |
1198 | { | |
1199 | const char * const *as = a; | |
1200 | const char * const *bs = b; | |
1201 | ||
1202 | return strcmp(*as, *bs); | |
1203 | } | |
1204 | ||
f6bdafef JB |
1205 | /* |
1206 | * Print the events from <debugfs_mount_point>/tracing/events | |
1207 | */ | |
1208 | ||
a3277d2d FW |
1209 | void print_tracepoint_events(const char *subsys_glob, const char *event_glob, |
1210 | bool name_only) | |
f6bdafef JB |
1211 | { |
1212 | DIR *sys_dir, *evt_dir; | |
1213 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
f6bdafef | 1214 | char evt_path[MAXPATHLEN]; |
725b1368 | 1215 | char dir_path[MAXPATHLEN]; |
ab0e4800 YS |
1216 | char **evt_list = NULL; |
1217 | unsigned int evt_i = 0, evt_num = 0; | |
1218 | bool evt_num_known = false; | |
f6bdafef | 1219 | |
ab0e4800 | 1220 | restart: |
ebf294bf | 1221 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 1222 | if (!sys_dir) |
725b1368 | 1223 | return; |
6b58e7f1 | 1224 | |
ab0e4800 YS |
1225 | if (evt_num_known) { |
1226 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1227 | if (!evt_list) | |
1228 | goto out_close_sys_dir; | |
1229 | } | |
1230 | ||
6b58e7f1 | 1231 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { |
48000a1a | 1232 | if (subsys_glob != NULL && |
668b8788 ACM |
1233 | !strglobmatch(sys_dirent.d_name, subsys_glob)) |
1234 | continue; | |
725b1368 | 1235 | |
ebf294bf | 1236 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
1237 | sys_dirent.d_name); |
1238 | evt_dir = opendir(dir_path); | |
1239 | if (!evt_dir) | |
6b58e7f1 | 1240 | continue; |
725b1368 | 1241 | |
6b58e7f1 | 1242 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
48000a1a | 1243 | if (event_glob != NULL && |
668b8788 ACM |
1244 | !strglobmatch(evt_dirent.d_name, event_glob)) |
1245 | continue; | |
1246 | ||
ab0e4800 YS |
1247 | if (!evt_num_known) { |
1248 | evt_num++; | |
a3277d2d FW |
1249 | continue; |
1250 | } | |
1251 | ||
f6bdafef JB |
1252 | snprintf(evt_path, MAXPATHLEN, "%s:%s", |
1253 | sys_dirent.d_name, evt_dirent.d_name); | |
ab0e4800 YS |
1254 | |
1255 | evt_list[evt_i] = strdup(evt_path); | |
1256 | if (evt_list[evt_i] == NULL) | |
1257 | goto out_close_evt_dir; | |
1258 | evt_i++; | |
f6bdafef JB |
1259 | } |
1260 | closedir(evt_dir); | |
1261 | } | |
f6bdafef | 1262 | closedir(sys_dir); |
ab0e4800 YS |
1263 | |
1264 | if (!evt_num_known) { | |
1265 | evt_num_known = true; | |
1266 | goto restart; | |
1267 | } | |
1268 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1269 | evt_i = 0; | |
1270 | while (evt_i < evt_num) { | |
1271 | if (name_only) { | |
1272 | printf("%s ", evt_list[evt_i++]); | |
1273 | continue; | |
1274 | } | |
1275 | printf(" %-50s [%s]\n", evt_list[evt_i++], | |
1276 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); | |
1277 | } | |
1278 | if (evt_num) | |
1279 | printf("\n"); | |
1280 | ||
1281 | out_free: | |
1282 | evt_num = evt_i; | |
1283 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1284 | zfree(&evt_list[evt_i]); | |
1285 | zfree(&evt_list); | |
1286 | return; | |
1287 | ||
1288 | out_close_evt_dir: | |
1289 | closedir(evt_dir); | |
1290 | out_close_sys_dir: | |
1291 | closedir(sys_dir); | |
1292 | ||
1293 | printf("FATAL: not enough memory to print %s\n", | |
1294 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); | |
1295 | if (evt_list) | |
1296 | goto out_free; | |
f6bdafef JB |
1297 | } |
1298 | ||
20c457b8 TR |
1299 | /* |
1300 | * Check whether event is in <debugfs_mount_point>/tracing/events | |
1301 | */ | |
1302 | ||
1303 | int is_valid_tracepoint(const char *event_string) | |
1304 | { | |
1305 | DIR *sys_dir, *evt_dir; | |
1306 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
1307 | char evt_path[MAXPATHLEN]; | |
1308 | char dir_path[MAXPATHLEN]; | |
1309 | ||
ebf294bf | 1310 | sys_dir = opendir(tracing_events_path); |
20c457b8 TR |
1311 | if (!sys_dir) |
1312 | return 0; | |
1313 | ||
1314 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
1315 | ||
ebf294bf | 1316 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
20c457b8 TR |
1317 | sys_dirent.d_name); |
1318 | evt_dir = opendir(dir_path); | |
1319 | if (!evt_dir) | |
1320 | continue; | |
1321 | ||
1322 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { | |
1323 | snprintf(evt_path, MAXPATHLEN, "%s:%s", | |
1324 | sys_dirent.d_name, evt_dirent.d_name); | |
1325 | if (!strcmp(evt_path, event_string)) { | |
1326 | closedir(evt_dir); | |
1327 | closedir(sys_dir); | |
1328 | return 1; | |
1329 | } | |
1330 | } | |
1331 | closedir(evt_dir); | |
1332 | } | |
1333 | closedir(sys_dir); | |
1334 | return 0; | |
1335 | } | |
1336 | ||
b41f1cec NK |
1337 | static bool is_event_supported(u8 type, unsigned config) |
1338 | { | |
1339 | bool ret = true; | |
88fee52e | 1340 | int open_return; |
b41f1cec NK |
1341 | struct perf_evsel *evsel; |
1342 | struct perf_event_attr attr = { | |
1343 | .type = type, | |
1344 | .config = config, | |
1345 | .disabled = 1, | |
b41f1cec NK |
1346 | }; |
1347 | struct { | |
1348 | struct thread_map map; | |
1349 | int threads[1]; | |
1350 | } tmap = { | |
1351 | .map.nr = 1, | |
1352 | .threads = { 0 }, | |
1353 | }; | |
1354 | ||
ef503831 | 1355 | evsel = perf_evsel__new(&attr); |
b41f1cec | 1356 | if (evsel) { |
88fee52e VW |
1357 | open_return = perf_evsel__open(evsel, NULL, &tmap.map); |
1358 | ret = open_return >= 0; | |
1359 | ||
1360 | if (open_return == -EACCES) { | |
1361 | /* | |
1362 | * This happens if the paranoid value | |
1363 | * /proc/sys/kernel/perf_event_paranoid is set to 2 | |
1364 | * Re-run with exclude_kernel set; we don't do that | |
1365 | * by default as some ARM machines do not support it. | |
1366 | * | |
1367 | */ | |
1368 | evsel->attr.exclude_kernel = 1; | |
1369 | ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0; | |
1370 | } | |
b41f1cec NK |
1371 | perf_evsel__delete(evsel); |
1372 | } | |
1373 | ||
1374 | return ret; | |
1375 | } | |
1376 | ||
a3277d2d | 1377 | int print_hwcache_events(const char *event_glob, bool name_only) |
668b8788 | 1378 | { |
ab0e4800 | 1379 | unsigned int type, op, i, evt_i = 0, evt_num = 0; |
0b668bc9 | 1380 | char name[64]; |
ab0e4800 YS |
1381 | char **evt_list = NULL; |
1382 | bool evt_num_known = false; | |
1383 | ||
1384 | restart: | |
1385 | if (evt_num_known) { | |
1386 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1387 | if (!evt_list) | |
1388 | goto out_enomem; | |
1389 | } | |
668b8788 ACM |
1390 | |
1391 | for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { | |
1392 | for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { | |
1393 | /* skip invalid cache type */ | |
0b668bc9 | 1394 | if (!perf_evsel__is_cache_op_valid(type, op)) |
668b8788 ACM |
1395 | continue; |
1396 | ||
1397 | for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { | |
0b668bc9 ACM |
1398 | __perf_evsel__hw_cache_type_op_res_name(type, op, i, |
1399 | name, sizeof(name)); | |
947b4ad1 | 1400 | if (event_glob != NULL && !strglobmatch(name, event_glob)) |
668b8788 ACM |
1401 | continue; |
1402 | ||
b41f1cec NK |
1403 | if (!is_event_supported(PERF_TYPE_HW_CACHE, |
1404 | type | (op << 8) | (i << 16))) | |
1405 | continue; | |
1406 | ||
ab0e4800 YS |
1407 | if (!evt_num_known) { |
1408 | evt_num++; | |
1409 | continue; | |
1410 | } | |
1411 | ||
1412 | evt_list[evt_i] = strdup(name); | |
1413 | if (evt_list[evt_i] == NULL) | |
1414 | goto out_enomem; | |
1415 | evt_i++; | |
668b8788 ACM |
1416 | } |
1417 | } | |
1418 | } | |
1419 | ||
ab0e4800 YS |
1420 | if (!evt_num_known) { |
1421 | evt_num_known = true; | |
1422 | goto restart; | |
1423 | } | |
1424 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1425 | evt_i = 0; | |
1426 | while (evt_i < evt_num) { | |
1427 | if (name_only) { | |
1428 | printf("%s ", evt_list[evt_i++]); | |
1429 | continue; | |
1430 | } | |
1431 | printf(" %-50s [%s]\n", evt_list[evt_i++], | |
1432 | event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
1433 | } | |
1434 | if (evt_num) | |
dc098b35 | 1435 | printf("\n"); |
ab0e4800 YS |
1436 | |
1437 | out_free: | |
1438 | evt_num = evt_i; | |
1439 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1440 | zfree(&evt_list[evt_i]); | |
1441 | zfree(&evt_list); | |
1442 | return evt_num; | |
1443 | ||
1444 | out_enomem: | |
1445 | printf("FATAL: not enough memory to print %s\n", event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
1446 | if (evt_list) | |
1447 | goto out_free; | |
1448 | return evt_num; | |
668b8788 ACM |
1449 | } |
1450 | ||
705750f2 | 1451 | void print_symbol_events(const char *event_glob, unsigned type, |
a3277d2d FW |
1452 | struct event_symbol *syms, unsigned max, |
1453 | bool name_only) | |
8ad8db37 | 1454 | { |
ab0e4800 | 1455 | unsigned int i, evt_i = 0, evt_num = 0; |
947b4ad1 | 1456 | char name[MAX_NAME_LEN]; |
ab0e4800 YS |
1457 | char **evt_list = NULL; |
1458 | bool evt_num_known = false; | |
1459 | ||
1460 | restart: | |
1461 | if (evt_num_known) { | |
1462 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1463 | if (!evt_list) | |
1464 | goto out_enomem; | |
1465 | syms -= max; | |
1466 | } | |
8ad8db37 | 1467 | |
1dc12760 | 1468 | for (i = 0; i < max; i++, syms++) { |
668b8788 | 1469 | |
48000a1a | 1470 | if (event_glob != NULL && |
668b8788 ACM |
1471 | !(strglobmatch(syms->symbol, event_glob) || |
1472 | (syms->alias && strglobmatch(syms->alias, event_glob)))) | |
1473 | continue; | |
8ad8db37 | 1474 | |
b41f1cec NK |
1475 | if (!is_event_supported(type, i)) |
1476 | continue; | |
1477 | ||
ab0e4800 YS |
1478 | if (!evt_num_known) { |
1479 | evt_num++; | |
a3277d2d FW |
1480 | continue; |
1481 | } | |
1482 | ||
ab0e4800 | 1483 | if (!name_only && strlen(syms->alias)) |
947b4ad1 | 1484 | snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); |
74d5b588 | 1485 | else |
947b4ad1 | 1486 | strncpy(name, syms->symbol, MAX_NAME_LEN); |
8ad8db37 | 1487 | |
ab0e4800 YS |
1488 | evt_list[evt_i] = strdup(name); |
1489 | if (evt_list[evt_i] == NULL) | |
1490 | goto out_enomem; | |
1491 | evt_i++; | |
8ad8db37 IM |
1492 | } |
1493 | ||
ab0e4800 YS |
1494 | if (!evt_num_known) { |
1495 | evt_num_known = true; | |
1496 | goto restart; | |
1497 | } | |
1498 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1499 | evt_i = 0; | |
1500 | while (evt_i < evt_num) { | |
1501 | if (name_only) { | |
1502 | printf("%s ", evt_list[evt_i++]); | |
1503 | continue; | |
1504 | } | |
1505 | printf(" %-50s [%s]\n", evt_list[evt_i++], event_type_descriptors[type]); | |
1506 | } | |
1507 | if (evt_num) | |
668b8788 | 1508 | printf("\n"); |
ab0e4800 YS |
1509 | |
1510 | out_free: | |
1511 | evt_num = evt_i; | |
1512 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1513 | zfree(&evt_list[evt_i]); | |
1514 | zfree(&evt_list); | |
1515 | return; | |
1516 | ||
1517 | out_enomem: | |
1518 | printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]); | |
1519 | if (evt_list) | |
1520 | goto out_free; | |
1dc12760 JO |
1521 | } |
1522 | ||
1523 | /* | |
1524 | * Print the help text for the event symbols: | |
1525 | */ | |
a3277d2d | 1526 | void print_events(const char *event_glob, bool name_only) |
1dc12760 | 1527 | { |
1dc12760 | 1528 | print_symbol_events(event_glob, PERF_TYPE_HARDWARE, |
a3277d2d | 1529 | event_symbols_hw, PERF_COUNT_HW_MAX, name_only); |
1dc12760 JO |
1530 | |
1531 | print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, | |
a3277d2d | 1532 | event_symbols_sw, PERF_COUNT_SW_MAX, name_only); |
1dc12760 | 1533 | |
a3277d2d | 1534 | print_hwcache_events(event_glob, name_only); |
668b8788 | 1535 | |
dc098b35 AK |
1536 | print_pmu_events(event_glob, name_only); |
1537 | ||
668b8788 ACM |
1538 | if (event_glob != NULL) |
1539 | return; | |
73c24cb8 | 1540 | |
a3277d2d | 1541 | if (!name_only) { |
a3277d2d FW |
1542 | printf(" %-50s [%s]\n", |
1543 | "rNNN", | |
1544 | event_type_descriptors[PERF_TYPE_RAW]); | |
1545 | printf(" %-50s [%s]\n", | |
1546 | "cpu/t1=v1[,t2=v2,t3 ...]/modifier", | |
1547 | event_type_descriptors[PERF_TYPE_RAW]); | |
af3df2cf | 1548 | printf(" (see 'man perf-list' on how to encode it)\n"); |
a3277d2d FW |
1549 | printf("\n"); |
1550 | ||
1551 | printf(" %-50s [%s]\n", | |
3741eb9f | 1552 | "mem:<addr>[/len][:access]", |
41bdcb23 | 1553 | event_type_descriptors[PERF_TYPE_BREAKPOINT]); |
a3277d2d FW |
1554 | printf("\n"); |
1555 | } | |
1b290d67 | 1556 | |
a3277d2d | 1557 | print_tracepoint_events(NULL, NULL, name_only); |
8ad8db37 | 1558 | } |
8f707d84 | 1559 | |
6cee6cd3 | 1560 | int parse_events__is_hardcoded_term(struct parse_events_term *term) |
8f707d84 | 1561 | { |
16fa7e82 | 1562 | return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; |
8f707d84 JO |
1563 | } |
1564 | ||
6cee6cd3 | 1565 | static int new_term(struct parse_events_term **_term, int type_val, |
16fa7e82 | 1566 | int type_term, char *config, |
cecf3a2e | 1567 | char *str, u64 num, int err_term, int err_val) |
8f707d84 | 1568 | { |
6cee6cd3 | 1569 | struct parse_events_term *term; |
8f707d84 JO |
1570 | |
1571 | term = zalloc(sizeof(*term)); | |
1572 | if (!term) | |
1573 | return -ENOMEM; | |
1574 | ||
1575 | INIT_LIST_HEAD(&term->list); | |
16fa7e82 JO |
1576 | term->type_val = type_val; |
1577 | term->type_term = type_term; | |
8f707d84 | 1578 | term->config = config; |
cecf3a2e JO |
1579 | term->err_term = err_term; |
1580 | term->err_val = err_val; | |
8f707d84 | 1581 | |
16fa7e82 | 1582 | switch (type_val) { |
8f707d84 JO |
1583 | case PARSE_EVENTS__TERM_TYPE_NUM: |
1584 | term->val.num = num; | |
1585 | break; | |
1586 | case PARSE_EVENTS__TERM_TYPE_STR: | |
1587 | term->val.str = str; | |
1588 | break; | |
1589 | default: | |
4be8be6b | 1590 | free(term); |
8f707d84 JO |
1591 | return -EINVAL; |
1592 | } | |
1593 | ||
1594 | *_term = term; | |
1595 | return 0; | |
1596 | } | |
1597 | ||
6cee6cd3 | 1598 | int parse_events_term__num(struct parse_events_term **term, |
cecf3a2e | 1599 | int type_term, char *config, u64 num, |
bb78ce7d | 1600 | void *loc_term_, void *loc_val_) |
16fa7e82 | 1601 | { |
bb78ce7d AH |
1602 | YYLTYPE *loc_term = loc_term_; |
1603 | YYLTYPE *loc_val = loc_val_; | |
1604 | ||
16fa7e82 | 1605 | return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, |
cecf3a2e JO |
1606 | config, NULL, num, |
1607 | loc_term ? loc_term->first_column : 0, | |
1608 | loc_val ? loc_val->first_column : 0); | |
16fa7e82 JO |
1609 | } |
1610 | ||
6cee6cd3 | 1611 | int parse_events_term__str(struct parse_events_term **term, |
cecf3a2e | 1612 | int type_term, char *config, char *str, |
bb78ce7d | 1613 | void *loc_term_, void *loc_val_) |
16fa7e82 | 1614 | { |
bb78ce7d AH |
1615 | YYLTYPE *loc_term = loc_term_; |
1616 | YYLTYPE *loc_val = loc_val_; | |
1617 | ||
16fa7e82 | 1618 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, |
cecf3a2e JO |
1619 | config, str, 0, |
1620 | loc_term ? loc_term->first_column : 0, | |
1621 | loc_val ? loc_val->first_column : 0); | |
16fa7e82 JO |
1622 | } |
1623 | ||
6cee6cd3 | 1624 | int parse_events_term__sym_hw(struct parse_events_term **term, |
1d33d6dc JO |
1625 | char *config, unsigned idx) |
1626 | { | |
1627 | struct event_symbol *sym; | |
1628 | ||
1629 | BUG_ON(idx >= PERF_COUNT_HW_MAX); | |
1630 | sym = &event_symbols_hw[idx]; | |
1631 | ||
1632 | if (config) | |
1633 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1634 | PARSE_EVENTS__TERM_TYPE_USER, config, | |
cecf3a2e | 1635 | (char *) sym->symbol, 0, 0, 0); |
1d33d6dc JO |
1636 | else |
1637 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1638 | PARSE_EVENTS__TERM_TYPE_USER, | |
cecf3a2e JO |
1639 | (char *) "event", (char *) sym->symbol, |
1640 | 0, 0, 0); | |
1d33d6dc JO |
1641 | } |
1642 | ||
6cee6cd3 ACM |
1643 | int parse_events_term__clone(struct parse_events_term **new, |
1644 | struct parse_events_term *term) | |
a6146d50 ZY |
1645 | { |
1646 | return new_term(new, term->type_val, term->type_term, term->config, | |
cecf3a2e JO |
1647 | term->val.str, term->val.num, |
1648 | term->err_term, term->err_val); | |
a6146d50 ZY |
1649 | } |
1650 | ||
8f707d84 JO |
1651 | void parse_events__free_terms(struct list_head *terms) |
1652 | { | |
6cee6cd3 | 1653 | struct parse_events_term *term, *h; |
8f707d84 JO |
1654 | |
1655 | list_for_each_entry_safe(term, h, terms, list) | |
1656 | free(term); | |
8f707d84 | 1657 | } |
b39b8393 JO |
1658 | |
1659 | void parse_events_evlist_error(struct parse_events_evlist *data, | |
1660 | int idx, const char *str) | |
1661 | { | |
1662 | struct parse_events_error *err = data->error; | |
1663 | ||
a6ced2be AH |
1664 | if (!err) |
1665 | return; | |
b39b8393 JO |
1666 | err->idx = idx; |
1667 | err->str = strdup(str); | |
1668 | WARN_ONCE(!err->str, "WARNING: failed to allocate error string"); | |
1669 | } |